A 125-million-year-old fossil from the early Cretaceous shows the skeletons of a smaller mammal biting a larger horned dinosaur, suggesting a much more complex ancient food web.
Researchers have examined the genomes of 240 mammal species. The project reveals when mammals evolved, how some developed the ability to hibernate, and clues that may help explain humans' brains.
A new study in PLOS Biology finds that bumblebees can learn to solve puzzles from each other — suggesting that even invertebrate animals may have a capacity for culture.
Some animals like birds and frogs are famous for the sounds they make. But have you ever heard a turtle talk? Most turtles were thought to not make sounds at all — before researchers went deep.
Lightning strikes may have supplied a key ingredient that allowed life to emerge on early Earth, according to a new study of "fossilized" lightning.
Researchers combed Vatican archives to find records of how ancient church policies restricting whom one could marry shaped Western values and family structures today.
Humans are evolutionary oddballs for living long past our reproductive prime. New research explains how grandmothers might be the reason why.
What made us human might have had less to do with men out hunting, and a lot more to do with what was going on at home — with grandmas and babies.